1. A module with an auto-flash LED that can flash up to 7 colors.
2. No programming needed. Just connect it with power supply and it'll work.
3. 3-Pin anti-reverse cable included.
4. Working voltage: 5V.
5. PCB size: 2.0 x 2.0 cm.
Mainly to decorate
1 x 7-color auto-flash LED module
1 x 3-Pin anti-reverse cable